Patents by Inventor James R. Andrews, III

James R. Andrews, III has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Counter-torque device for a helicopter
    Patent number: 8286908
    Abstract: A ducted fan for a helicopter includes a transverse duct and a counter-torque device supported within the duct. The counter-torque device includes a rotor rotatably mounted within the duct and a stator fixedly mounted within the duct downstream from the rotor. The rotor includes a rotor hub having a rotor axis, and rotor blades extending from the hub. The Rotor blades have a modulated angular distribution about the rotor axis. The stator includes a stator hub, and a plurality of stator vanes distributed around the stator hub. The stator vanes are angularly modulated around the stator hub.
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: October 16, 2012
    Assignee: Bell Helicopter Textron Inc.
    Inventors: John M. Kebrle, James R. Andrews, III, Justin Daw, Jim Hurdle, Paul Sherrill, Jimmy C. Narramore, Sidney Xue, Charles Hollimon, Dudley Smith, Bryce Docker, John T. Brieger